Delicious and moist cranberry apple cake recipe

Ingredients

• 2 cups all-purpose flour
• 1 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon salt
• 1/2 cup unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup sour cream
• 2 cups peeled, cored, and diced apples
• 1 cup fresh or frozen cranberries
• 1/4 cup brown sugar
• 1/4 cup chopped walnuts
• 2 tablespoons all-purpose flour
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon nutmeg